朝阳沟油田朝94区块扶余油层储层预测

发布时间：2018-05-08 13:14

本文选题：井震联合 + 砂体预测　；参考：《东北石油大学》2017年硕士论文

【摘要】：朝94区块位于朝阳沟油田背斜构造轴部,河道砂体主要是三角洲分流平原的分流河道沉积,主要开发扶余油层。投产后该区整体开发效果较好,但局部存在问题,存在的主要问题有断裂发育,断裂特征不明显;砂体发育变化快,砂体展布特征不清楚;后续开发潜力不明。油田根据开发井网不断的演化可以更加精确描述储层砂体,但仍不能解释复杂的井间砂体连通关系,是以必须采用井震结合方法来提高井间砂体预测精度。基于以往的研究经验,本文通过逐个攻破构造及储层认识不清的区块,建立外围油田扶余油层密井网条件下井震联合多学科储层描述的技术流程,来找出有利的油藏圈闭形态和剩余油分布范围,深入理解分析构造特性及井间砂体展布规律及剩余油的分布规律对注水开发的影响,为后期注采关系的调整奠定基础,开拓了多个科目精细油藏钻研的新路径。为了领会扶余油层砂体沉积特性,明确差异类型储层的砂体展望方式,提高对井间砂体的认识,因此进行了朝94区块扶余油层井震联合不同类型砂体预测方法研究及应用的研究,通过研究区内构造、断裂及储层,确定储层分布规律,重新认识朝94区块地质及开发特征,进一步落实开发潜力,为有利区域的预测提供依据。
[Abstract]:Chao94 block is located at the axis of the anticline in Chaoyang Gou Oilfield. The channel sand body is mainly the distributary channel deposition of the delta distributary plain, and the Fuyu oil layer is mainly developed. After putting into production, the overall development effect of the area is good, but there are some local problems, the main problems are the fault development, the fault characteristics are not obvious, the sand body development changes quickly, the distribution characteristics of the sand body are not clear, and the potential for subsequent development is not clear. The reservoir sand body can be described more accurately according to the continuous evolution of the development well pattern, but the complex inter-well sand body connectivity can not be explained. Therefore, it is necessary to improve the prediction accuracy of the cross-well sand body by adopting the method of well shock combination. Based on the previous research experience, this paper establishes the technical flow of multi-disciplinary reservoir description under the condition of dense well pattern of Fuyu reservoir in peripheral oil field by breaking through the blocks with unclear understanding of structure and reservoir one by one. To find out the favorable reservoir trap form and remaining oil distribution range, to deeply understand and analyze the influence of structural characteristics, distribution law of cross-well sand body and remaining oil distribution on water injection development, and to lay a foundation for the adjustment of injection-production relationship in the later stage. Opened up a number of subjects of fine reservoir research new path. In order to understand the sedimentary characteristics of sand body in Fuyu reservoir, to make clear the sand body prospect of different reservoir types, and to improve the understanding of cross-well sand body, Therefore, the research and application of well earthquakes combined with different types of sand bodies in Fuyu reservoir prediction method in Chao 94 block are carried out. Through the structure, fault and reservoir in the study area, the distribution law of reservoir is determined, and the geological and development characteristics of Chao94 block are reunderstood. Further implementation of the potential for development to provide a basis for the prediction of favorable areas.
【学位授予单位】：东北石油大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：P618.13

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